COLOR PHOTO: PHOTOGRAPH BY JOHN IACONO Pleased as Punch Oscar De La Hoya admires his handiwork after flooring Fernando Vargas with a perfect left hook in the 11th round of their 154-pound title fight on Saturday in Las Vegas (page 46).COLOR PHOTO: PHOTOGRAPH BY BOB ROSATO Putting Their Heads Together The Atlanta Falcons were able to come up with a plan for stopping Chicago running back Anthony Thomas on this play, but they couldn't stop the Bears, who won 14-13 on Sunday in the Georgia Dome (page 52).COLOR PHOTO: PHOTOGRAPH BY BILL FRAKES/EDDIE ADAMS WORKSHOP LOOKING BACK Derrick Lopez had more than just a game on his mind while playing stickball inSpanish Harlem on the first anniversary of the World Trade Center tragedy.